https://learn.microsoft.com/tr-tr/dotnet/api/system.windows.forms.datavisualization.charting.datapointcustomproperties.markercolor?view=netframework-4.8.1
DataPointCustomProperties.MarkerColor Property (System.Windows.Forms.DataVisualization.Charting) |...
Gets or sets the marker color.
property systemwindows formsdatavisualizationcharting